JASC 7714

Service difficulty reports · 1,357

Reports filed under 7714 · Engine RPM Indicating System, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '7714'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR HEEA073029Indicator · inoperativeROTOR NEEDLE INOPERATIVE.May 7, 2001 · N722PH · Bell 407SDR RAIA00105001Transducer · failedEWR-DURING TAKEOFF RIGHT HAND IEC FAULT LIGHT LIGHT ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE RIGHT HAND ENGINE SPEED TRANSDUCER IAW ALLIED SIGNAL MAINTENANCE MANUAL 77-10-10.May 1, 2001 · N557HK · Jetair JETSTM4101SDR 20010605CW016Tachometer · out of toleranceNEW TACHOMETERS OUT OF MFG 50 RPM TOLERANCES. DIGITAL CHECKS OF FINE ADDITIONAL 172R AND 172S AIRCRAFT SHOWED TACH TO READ WITHIN PLUS OR MINUS 50 RPM. DISCOVERED WHEN DOING AD.Apr 26, 2001 · Cessna 172RSDR KBMA88735Indicator · erraticNC GAGE ERRATIC AND INTERMITTENT. REMOVED AND REPLACED WITH LOANER UNIT WHILE GAUGE IS BEING REPAIRED.Apr 24, 2001 · N53SH · Snias AS350B2SDR TI1R97330Tachometer · inoperativeNR 2 NEEDLE INOPERATIVE.Apr 20, 2001 · N460H · Bolkms BK117B1SDR TI1R001450Light · inoperativeRPM INDICATOR, BACK LIGHTS INOPERATIVE. REMOVED AND REPLACED.Apr 20, 2001 · N317MC · Bolkms BK117C1SDR HEEA072696Horn · intermittentWORKS INTERMITTENTLY. REPLACED WITH SERVICEABLE UNIT.Apr 19, 2001 · N45RP · Bell 206L1SDR LS1R072737Indicator · intermittentPART IS INTERMITTENT.Apr 19, 2001 · N8530F · Bell 212SDR LS1R072735Tach Generator · inoperativePART IS BROKEN.Apr 19, 2001 · N206BX · Bell 206B3SDR SWIA972530Indicator · defectiveNL GAUGE RIGHT ENGINE APPROACHED RED ARC DURING CLIMBOUT. TORQUE WAS REDUCED. NH AND ALL OTHER INDICATIONS REMAINED NORMAL (T6 APPROX 690-700, NH APPROX 95 PERCENT). AFTER ENGINE SHUTDOWN, GAUGE MOMENTARILY STUCK AT 10 PERCENT NL. DURING FLIGHT, NL RIGHT SApr 19, 2001 · N294SW · Emb EMB120ERSDR R7MR33321Pickup · inoperativeNGP SPEED ELECRTOMAGNETIC SPEED PICKUP, UNIT INOPERATIVE. N1 INDICATOR ERRATIC. CHECK ENGINE LIGHT STAYS ON. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Apr 12, 2001 · N7060G · Bolkms BK117B1SDR CA010507012Drive Shaft · worn(CAN) AN OIL LEK LOCATED ON DAILY INSPECTION REVEALED A LEAK AT THE TACHOMETER DRIVE SEAL AREA. UPON CLOSER INSPECTION IT WAS NOTED THAT THE SHAFT HAD A WEAR GROOVE AROUND THE RADIUS OF THE TACHOMETER DRIVE SHAFT. IT WAS REPLACED AND NO OIL LEAKS FOUND AFTER. Apr 11, 2001 · Piper PA31350SDR HEEA072552Indicator · stuckTURBINE NEEDLE STAYING AT ZERO AT TIMES AND VERY UNRELIABLE.Apr 11, 2001 · N21497 · Bell 206L3SDR HEEA072551Indicator · split2 PERCENT SPLIT IN NEEDLE INDICATION.Apr 11, 2001 · N5007Q · Bell 206L1SDR HEEA072550Indicator · malfunctionedDUAL TACH HAS NO LIGHT.Apr 11, 2001 · N3178K · Bell 206L1SDR HEEA072457Indicator · inoperativeNR 1 NEEDLE INOPERATIVE.Apr 10, 2001 · N3893L · Bell 412SDR HEEA072456Indicator · reads lowNR 1 ENGINE READING LOW.Apr 10, 2001 · N3893L · Bell 412SDR LS1R072189Tachometer · inaccurateTACHOMETER IS INACCURATE.Apr 10, 2001 · N8330P · Hughes 369ESDR HEEA072438Indicator · inoperativeNR 1 TACH NEEDLE STOPPED ALL INDICATING.Apr 9, 2001 · N3893N · Bell 412SDR HEEA072437Indicator · stuckN2 NEEDLES STICK WHEN POWER IS CHANGED.Apr 9, 2001 · N7128R · Bell 412SDR HEEA072436Indicator · reads lowINDICATES 2 PERCENT LOW. SENT TO MASCO FOR WARRANTY REPAIR.Apr 9, 2001 · N7128R · Bell 412SDR HEEA072408Detector · malfunctionedRPM WARNING LIGHT FLICKERS ON AND OFF AROUND 75 PERCENT N2.Apr 9, 2001 · N3893L · Bell 412SDR HEEA072400Indicator · erraticBOUNCES ERRATICALLY.Apr 9, 2001 · N3911L · Bell 412SDR RRXA010031Indicator · faultyNR 4 ENGINE DURING SPOOL UP, N1 RPM INDICATOR HANGS UP BETWEEN 50 TO 70 PERCENT. REMOVED AND REPLACED NR 4 N1 INDICATOR IAW DC-8 MM CH 77-00. OPS CHECKS GOOD ON ENGINE RUN-UP.Apr 8, 2001 · N605AL · Doug DC873FSDR HEEA071992Indicator · inoperativeNR 1 NEEDLE ON TRIPLE TACH INOPERATIVE.Apr 5, 2001 · N3893L · Bell 412SDR GLBA2001064Sensor · inoperativeABORTED T/O, RIGHT NH INDICATOR FAILED. REPLACED NH SENSOR, OPS CHECKED SYSTEM GOOD.Mar 26, 2001 · N96ZK · Emb EMB120SDR GLBA2001065Indicator · failedN1 INDICATOR FAILED. REPLACED INDICATOR.Mar 24, 2001 · N251GL · Beech 1900DSDR AU010167Tach Generator · faulty(AUS) TACHO-GENERATOR ZERO OUTPUT. INVESTIGATION ALSO FOUND BROKENWIRE STRANDS AT THE ENGINE WIRING DISCONNECT SPLICE.Feb 23, 2001 · Bag JETSTM3201SDR ANCF0329351Line · disconnectedDURING CRUISE LT ENGINE N2 STARTED TO DECREASE UNTIL REACHING 36 PERCENT (OSCILLATING BETWEEN 32 AND 40 PERCENT), THERE IS MORE THAN ONE KNOB SPLIT BETWEEN ENGINES TO KEEP SAME EPR. FLIGHT DIVERTED TO PTY. MOISTURE TRAP WAS CHECK FOR CONDITION AND BURNER PREFeb 20, 2001 · N190AN · Doug DC983SDR 20010416CW008Tach Generator · inoperativeBROKEN WIRE WHERE CONNECTOR PLUG CONNECTS.Feb 16, 2001 · N44911 · Doug C54BDCSDR AU010156Sensor · faulty(AUS) ENGINE OVERSPEED SENSOR FAULTY.Feb 11, 2001 · Aerosp SA365CSDR TI1R001402Indicator · erraticTRIPLE TACH - NR 1 NEEDLE BOUNCES BETWEEN 30 AND 60 PERCENT AT ENGINE IDLE- ROTOR NEEDLE GIVING WRONG INDICATION. REMOVED AND REPLACED.Feb 7, 2001 · N912SM · Bolkms BK117B2SDR 20010205CW006Tachometer · malfunctionedLEFT ENGINE TACH NEEDLE WOULD NOT PROCEED BEYOND 2300 RPM WHEN ENGINE WAS ACTUALLY AT 2700 RPM.Feb 5, 2001 · N2711X · Cessna 402CSDR KBMA88637Control Box · malfunctionedTACH BOX CLOSES BLEED VALVE AT 96% AND OPENS AT 95%Feb 1, 2001 · N350SH · Snias AS350BASDR 20010305CW012Adapter · failed90 DEGREE TACH DRIVE ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEM, APPARENTLY VIBRATION INDUCED. SOME PROVISIONS SHOULD BE MADE TO REINFORCE UNIT , OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATIONS.Jan 25, 2001 · N2240D · Piper PA34200TSDR 20010305CW013Adapter · failed90 DEGREE TACH ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEMS APPARENTLY VIBRATION INDUCED. SOME PROVISION SHOULD BE MADE TO REINFORCE UNIT, OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATION.Jan 23, 2001 · N2240D · Piper PA34200TSDR 20010305CW011Adapter · failed90 DEGREE TACH DRIVE ADAPTER PUT ON AIRCRAFT. WHEN ADAPTER FAILS, THERE IS NO RPM INDICATION TO TACH. PROBLEM APPARENTLY VIBRATION INDUCED. SOME PROVISION SHOULD BE MADE TO REINFORCE UNIT OR RELOCATE IT TO AN AREA NOT AS PRONE TO VIBRATIONS.Jan 23, 2001 · N2240D · Piper PA34200TSDR R7MR32595Indicator · inoperativeUNIT INOPERATIVE. NO INDICATION WHILE ENGINE IS RUNNING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 17, 2001 · N527RM · Bolkms BK117A4SDR R7MR33319Pickup · inoperativeELECTROMAGNETIC SPEED PICKUP, NGP SPEED, UNIT INOPERATIVE. N1 READINGS FLUCUATE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 21, 2000 · N61LF · Bolkms BK117B1SDR TI1R001384Indicator · faultyINDICATOR NG - GAUGE STICKS, WILL JUMP FROM 0 TO 40 PERCENT WITH POWER ON AND ENGINE NOT RUNNING. REMOVED AND REPLACED.Dec 19, 2000 · N117VU · Bolkms BK117B1SDR 20010122CW008Connector · damagedWAS ERATIC, FOUND LOOSE PIN AT CONNECTOR PLUG.Dec 12, 2000 · N44911 · Doug C54BDCSDR 20010122CW007Bearing · failedAPPEARS TO BE A BEARING FAILURE.Dec 12, 2000 · N44911 · Doug C54BDCSDR R7MR32627Indicator · inoperativeUNIT INOPERATIVE. DIGITIAL TEST BUTTON INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEMNov 18, 2000 · N117SU · Bolkms BK117C1SDR 20001120SH053Tachometer · inoperativeTACHOMETER BOX INOPERABLE. BLEED VALVE WILL NOT CLOSE. (X)Nov 5, 2000 · N270SH · Snias AS350BASDR MALA000655Indicator · fluctuatesWHEN CLIMBING RPM WAS SELECTED AFTER TAKEOFF, THE LT ENGINE RPM FLUCTUATED 180 - 200 RPM AND LEFT TORQUE FLUCTUATED 3 - 5 PERCENT. ALL OTHER ENGINE OPERATIONS NORMAL. LOCKOUT WAS SELECTED AND ALL FLUCTUATIONS STOPPED. MAINTENANCE CLEANED AND RESECURED PCU Nov 2, 2000 · N438XJ · Saab 340BSDR R7MR33322Pickup · inoperativeELECTROMAGNETIC SPEED PICKUP, NGP SPEED, UNIT INOPERATIVE. ERRATIC NEEDLE MOVEMENT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 16, 2000 · N61LF · Bolkms BK117B1SDR TI1R001406Indicator · malfunctionedTRIPLE RPM INDICATOR, NR 2 ENGINE INDICATION 2 PERCENT HIGH AND NEEDLE ALSO BOUNCING. REMOVED AND REPLACED.Oct 10, 2000 · N317MC · Bolkms BK117C1SDR CZMA082760Indicator · failedINDICATOR OPERATED FOR 2.5 HRS. THEN NR 2 ENGINE N2 INDICATION FAILED. UNIT WAS INSTALLED IN PILOTS POSITION. REPLACED UNIT.Sep 22, 2000 · N412BE · Bell 412SDR R7MR33324Pickup · inoperativeUNIT INOPERATIVE. ERRATIC NEEDLE ON N GAUGE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 16, 2000 · N911VU · Bolkms BK117B1SDR SWIA971978Harness · chafedLEFT NH GAUGE BOTH ANALOG AND DIGITAL INOP DURING FLIGHT. ANALOG NEEDLE JUMPING BETWEEN 10 - 70 PERCENT AND DIGITAL JUMPING 90 - 150 PERCENT NH. DIVERTED TO PDX FROM RDM. REMOVED AND REPLACED LEFT NH GAUGE IAW 77-11-00. ALSO PERFORMED RESISTANCE CHECK OF WSep 15, 2000 · N196CA · Emb EMB120RT
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